HAEUSSLER, E. F., & PAUL, R. S. (1996). Introductory mathematical analysis for business, econo-mics, and the life and social science.-- ed.8. Prentice Hall.

HAEUSSLER, Ernest F., and Richard S. PAUL. Introductory Mathematical Analysis for Business, Econo-mics, and the Life and Social Science.-- Ed.8. New Jersey: Prentice Hall, 1996.

HAEUSSLER, Ernest F., and Richard S. PAUL. Introductory Mathematical Analysis for Business, Econo-mics, and the Life and Social Science.-- Ed.8. Prentice Hall, 1996.